what is kibibyte

Kibibyte (KiB) — 2¹⁰
Mebibyte (MiB) — 2²⁰
Gibibyte (GiB) — 2³⁰
Tebibyte (TiB) — 2⁴⁰
Pebibyte (PiB) — 2⁵⁰
Exbibyte (EiB) — 2⁶⁰
Zebibyte (ZiB) — 2⁷⁰
Yobibyte (YiB) — 2⁸⁰

Where as normal metric system keeps naming (with its increasing gap(Ex:1024-1000 = 24 bytes of gap))

Kilobyte (kB) — 10³
Megabyte (MB) — 10⁶
Gigabyte (GB) — 10⁹
Terabyte (TB) — 10¹²
Petabyte (PB) — 10¹⁵
Exabyte (EB) — 10¹⁸
Zettabyte (ZB) — 10²¹
Yottabyte (YB) — 10²⁴